Should a WiX web installer and stand-alone installer both show up in Add/Remove programs? - wix

We have two WiX installers that use our own BA. One installer gets all the packages from the web, while the other gets all the packages from the exe. We call them "Web" and "Full" installers.
We have a case where a user might install one package from the web installer and a different package form the full installer. It probably won't happen often but it could happen. When the user does this, we have two entries in the Add/Remove programs control panel. Since we didn't name the installers differently, it looks like the installer is installed twice.
My question is, if the only difference between two installers created with WiX is the way the packages were acquired, shouldn't it just appear once in Add/Remove programs? Do I need to set a code somewhere to say it is the same installer?
I guess we could just name them differently so that a "Web" and a "Full" installer appeared in Add/Remove Programs, but when you run either one, both packages show up for uninstallation because both installers know about them. It's not like the web installer only shows the package that was installed through it and the full the package that was installed through it.
Any comments are appreciated.

In a version upgrade scenario, using the same UpgradeCode for both <Bundle...> packages is enough to indicate both installers are the same product. For example, if you first install package V1.0 and later install package V1.1 (where both packages use the same upgrade code) Package V1.1 replaces Package V1.0 in Add/Remove Programs.
Unfortunately the burn engine does not support same version upgrades. If you have different packages with the same upgrade code and the same version, both packages will appear in Add/Remove Programs. For more information on burn not supporting same version upgrades see: http://wixtoolset.org/issues/3746/.
Installing two different packages with the same upgrade code and version is well behaved. For example, if you install both packages and subsequently remove one of them, the resources in the first package remain installed, even though the same resources are also in the second package.
Installing two different packages with the same upgrade code and version, then later installing a third package with the same upgrade code but a higher version is also well behaved. The third package replaces the first two packages!
Your suggestion of varying the name of the packages to differentiate them in Add/Remove Programs sounds the most pragmatic way forward. Having two entries does not appear to compromise the installation state, and upgrades appear to be handled without issues.

Related

Is there anyway to upgrade a .exe installed program with .msi without a double entry in ARP?

I am currently using WiX Toolset to build my installer. This tool is very nice but recently I encountered a problem. When I installed my program with .exe, then upgrade it with .msi, there is a double-entry in Add/Remove Program. Is there anyway to prevent the installer add double entry? Thanks!
It's not clear from your post if you have followed the rules for a major upgrade, such as use the same UpgradeCode, new ProductCode and PackageCode, increment ProductVersion in the first three fields, have upgrade logic in place in the MSI (such as major upgrade element). You'd need to supply your WiX source for these in the old and upgrade builds to see the differences. A verbose log would also help, installing the MSI with a command line that includes /l*vx [path to log file]
If those rules have been followed, the main reason for failure to upgrade is the one was per user and the other is per machine (or vice versa). One context will not upgrade the other. If this is the case the log will have an entry somewhere with FindRelatedProducts referring to an installed product in another context.
All this also assumes that the original install you did was MSI-based underneath the exe. If it was not, and it was some other install software that is not using an MSI file then there is no such thing as an automatic upgrade. You'd need to find some none-MSI way to uninstall the older product. A typical way is to find the UninstallString in the registry for that product and run it. Depending on the software used, that command can be parsed to add a silent option.

WIX Toolset - Install prerequisites based on user input

We are using the WIX Toolset among other things to automate a long installation process. A big part of this is installing lots of prerequisites that change based on what version of the product the customer wants to install.
e.g. there is a filter pack (.msi file) involved in the installation that only needs to be installed with a certain type of the product, so it is impossible to simple chain it into a bundle because we cannot know in advance which version the customer chooses.
Is there any way to solve this problem without having to create 4 different installers or installing all prerequisites regardless of version?
Thanks in advance.
The easiest and most maintainable (imo) method for implementing this is to use a burn bootstrapper and have a separate msi install for each version of the product the user could install.
The burn boostrapper would also contain all the prerequisite packages needed but only install the ones required by the specific version the user chooses to install.
You say you can't include the filter pack in the chain because you don't know until runtime whether or not the customer wants it but that's the whole point of the bootstrapper. Your bootstrapper should gather the information at runtime and set variables accordingly. Using the InstallCondition on the MsiPackage element you can determine whether or not you need to install the msi or not.
The bootstrapper process is to run Detect, do the UI, Plan, Execute. During Plan you will figure out which packages will be run and installed during the installation. The bootstrapper application has the authority to set any package to install or uninstall, overriding whatever the engine decides to do.
You could also include all the msi version stuff in one MSI and control it via feature groups which would allow you to use one MSI fo all the versions of your product but this can get bloated and complicated with multiple 'duplicated' components from different versions of your product so I think this would become a maintainability hell later on.
You can add a custom dialog which has checkboxes where the user can choose what to install.
These checkboxes set a variable to 0 or 1. You can use these variables in the installcondition.
I believe you can even conditionally show checkboxes(say 2 off the 5 are already installed, you would not want to give the user the option to install the already installed 2)

Having an issue with WIX upgrade

Having an issue with WIX installer upgrade. Previously we had 2 version of installers 1 for per-machine and another for per-user.
Currently we have developed a dual mode MSI.
The dual mode MSI upgrades the PerUser version (on PC 1) of previous installer when install for yourself option is selected but when install for all (on PC 2 ) is selected it install a new product
Is it some wrong that we are doing or is have to set some properties. We are using WIX.
Please help
Per-user installs allow the installation of the same product multiple times for different users - and in different versions too. This makes upgrades and patches rather difficult to deal with, and I dislike this per-user concept altogether. I prefer to set the installer per-machine as standard. I don't feel that much is lost in functionality, but a lot is gained in managability. Though this is not an answer to your question, it is worth pointing out that per-user installs is a flawed concept - at best.
I don't know if it is an option to set your installer per-machine, but I found a way to migrate installs from per-user to per-machine automagically by using Installshield and its custom ISSetAllUsers custom action. The procedure is described here:
windows Installer - uninstalling previous version when the versions differ in installation policy (per-user, per-machine)
Wix does not feature such a custom action as far as I know, but you could write your own custom action using the Win32 API call ::MsiEnumRelatedProducts() as described by Rob Mensching here: how to change from per user to all user installation?
Here is a similar post for reference: How can a perUser installation program deal with a perMachine older version of the program?
Here is a blog describing (further) issues with per-user installs: Understanding “Per-User” or “Per-Machine” context for application Setup packages.
Let me add a couple of further comments:
You can have per-user settings without a per-user install. This is no problem, just have the application set up the userprofile on launch. I prefer to install all resource files and settings per-machine and have the application copy them to each user for first launch initialization. This ensures that user settings are not entangled with your MSI at all.
It is rare to maintain two separate versions of the same product at the same time - hence users are all likely to use the same version of the product. Per-user is just more headache in this perspective.
The upgrade and patching logic involved in per-user installer scenarios beats me - it just doesn't make any sense to me. If there is a per-machine install already, does a per-user install make sense to you? Does this install the application one more time?
If per-user installs are still important, perhaps you can try ClickOnce (if it still works). Quote from Wikipedia: "...ClickOnce-deployed applications are considered 'low impact', in that they are installed per-user, not per-machine. No administrator privileges are required to install one of these applications. Each ClickOnce application is isolated from the others. This means one ClickOnce application is not able to 'break' another.". Per-user installs make more sense if they are hooked up to auto-updating and web-deployment.
If you had two setups before, it might be that you have two upgrade code and need to deal with both for the upgrade to work in all cases?
It has been a long time since I dealt with per-user stuff, but in general you must author your Upgrade table to include both upgrade codes for your setups to detect all flavours of your previous install. The upgrade table allows you to detect any number of prior installs that should be scheduled for uninstall before your new product gets installed.
The FindRelatedProducts MSI action will search all packages on the target machine in order to find any where the Upgrade Code property matches the value specified in the upgrade table.
Make a verbose log file as has been suggested:
msiexec.exe /I "File.msi" /QN /L*V "C:\Temp\msilog.log"
/I = run installation sequence
/L*V "C:\Temp\msilog.log"= verbose logging
/QN = run completely silently
I believe this is occurring because in your installer the default mode is Per-User hence it is not detecting per-machine.
You could use MSIGetProductInfo to find the installed products if the assignmenttype is “1” then you could set the below properties to Product Code of Per-Machine product
WIX_UPGRADE_DETECTED
OLDERVERSIONBEINGUPGRADED
Use a custom action on button click or schedule it after FindRelatedProducts.
This tells the installer of an existing version and installation is handle like an upgrade.
Windows Installer does not upgrade between per user and per machine, or vice versa. If you want this to happen you need to get in front of the install somehow and find out what type is already installed. Trying to do that when the product has been installed for another user (i.e. not the current installing user) is tricky. MsiEnumRelatedProuctsEx can be called a couple of times looking for per machine and per user installs to see what's going on. However there may be issues with you, User A, trying to uninstall a product that was installed per user by User B. If you are the same user it's easier. MsiEnumRelatedProductsEx can be called a couple of times to see if the product is per user or machine (in a launcher maybe) and you can uninstall the product before installing the new upgrade, or at least tell the user to do the uninstall. Anyway, it can be a mess, and the advice to stick with per machine installs is worth taking.
I should also point out that allowing per user AND per machine installs on the same machine is a feature, not a bug.

WiX installer - how can I remove installed application and re-install it at the same run

I have a custom installer based on WiX technology which is install several .vsix packages into Visual Studio.
If this packages are already installed, the installer offers to remove them. After the removal process is completed, the installer exits.
It's normal behaviour, but I need to offer the user re-install this packages (optionally) before exit. I mean optional mode to uninstall the previous version and install the new one (or the same) with a single run of the installer.
How to implement this in WiX ?
I suspect your custom installer could be made a little smarter. There are plenty of APIs (such as MsiQueryProductState) that will tell you if that exact ProductCode is installed, and ways to get the version (MsiGetProductInfo). My guess is that your custom installer is just firing off all the MSI installs without checking if they are already installed, hence the Remove prompts.
Your general plan should be to have some data available to your custom installer that it can use to find out what's already installed and what the versions are, and then compare these with what you are about to install. Use those APIs. If the product is already installed then skip the install. If you have a newer version (that you built with the WiX MajorUpgrade element) then just install it because it will replace the existing older one.
There's nothing I can think of in WiX that would automatically reinstall a product that your custom installer caused removal of by re-installing it and prompting the user to remove it, if that's what's going on.

WiX bootstrapper query

I created one msi for my product it's working well but I need to install .net 4.0 as a prerequisite. I came across burn and bootstrapper but have a couple of questions:
Should I have a separate project for the main msi and the bootstrapper?
My customer needs an msi (not an exe), so can the bootstrapper be an msi?
The bootstrapper project is a separate project and produces an .exe as its output. It is its own executable, whereas an .msi is essentially a database that gets processed by Windows Installer.
MSI (Windows Installer) does not support "nested" installs, where one .msi package runs for a while, then pauses, runs a separate installer package, then picks up from where it paused. MSI uses some Windows resources that are essentially system-global, so the "inner" install tromps on the "outer" one.
The way to do multiple installs as a single user experience is to run each install in sequence, one at a time. That is the purpose of the bootstrapper, also known as a chainer: to run the chain of installs, link by link. The bootstrapper is not itself an install package; it is a tool for running one or more install packages.
That is why the bootstrapper cannot be an .msi: it is not itself an installer package. A bootstrapper can be as simple as a batch file or script, or you can use an industrial-strength tool such as a WiX burn bundle, Flexera AdminStudio, etc.
Be aware that there are some installer packages that ship as .exe -- for examples, the .NET Framework or SQL Server installers. These are essentially self-extracting archives that contain one or more .msi packages, dump a temporary copy of that payload then run the Windows Installer service on it. In some sense they are "bootstrappers" plus package, all rolled into one. A bootstrapper can run packages (and other bootstrappers), but not vice-versa.
You might think that you could have your outer package run a custom action that launches the inner package. We've all tried it... and found out the hard way that it doesn't work generally, even when you appear to get away with it on some specific target system.
You'll have to persuade your customer that Windows Installer does not, cannot, work the way he thinks it does. Sadly, sometimes the only way to do this is to replace the customer.